Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915706488984892 9.4352e-08  
a 2.29589239137911 1.1222e-08 AU
q 1.85606679616151 2.1676e-07 AU
i 7.376647553619543 8.9646e-06 deg
node 21.44133004046926 3.7605e-05 deg
peri 338.0456996357397 4.0856e-05 deg
M 246.7602723611255 1.7707e-05 deg
tp 2457400.188852197102
(2016-Jan-12.68885220)
6.3532e-05 JED
period 1270.649354172068
3.48
9.3159e-06
2.551e-08
d
yr
n .2833197048563956 2.0772e-09 deg/d
Q 2.735717986596711 1.3371e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      8678 days (23.76 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59935  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:22:47  

Additional Information
 Earth MOID = .855677 AU 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257213  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-30 12:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin